#2 A proper server menu
#3 Proper modding support(minecraft has no official modding api btw)
#4 Effort to optimize the game(as opposed to making a second pc version(bedrock) and not improving java)
#10 Better "Ender" Dragon (Regular ender dragon will forever have a special place in my heart.)
#11 More Character Customization Options
#12 Horizontal Fences